It’s normal for a baby’s head to grow a lot during the first year. But with congenital hydrocephalus, the head may grow faster than the normal rate for a baby’s height and weight. The condition may cause the soft spot (fontanelle) on your baby’s head to feel firm or bulge out.
When should I be concerned about my baby’s head size?
If your baby’s head is measuring small or is not growing: Your baby’s doctor may be concerned about failure to thrive (when a child doesn’t take in enough calories or is unable to utilize them and doesn’t grow properly as a result).
How do you know if your baby’s head is growing too fast?
When there is a rapid increase in the size of a baby’s head or skull it may be hydrocephaly if one or more of the following symptoms are also seen: Bulging or tense fontanel or soft spot. Bulging eyes. Downward gaze or sunsetting eyes – eyes looking down.
Should I worry if my baby has a small head?
Chances are your doctor will detect microcephaly at the baby’s birth or at a regular well-baby checkup. However, if you think your baby’s head is smaller than normal or isn’t growing as it should, talk to your doctor.
Do autistic babies have large heads?
After accounting for sex, height, weight and genetic ancestry, the researchers found that children with autism do tend to have larger heads than their unaffected siblings, but the difference is small: just 2 millimeters on average.
Are big babies smarter?
But the study, published this week in the British Medical Journal, found that among children whose birth weight was higher than 5.5 pounds–considered to be normal–the bigger the baby, the smarter it was likely to be. … The scientists found that birth size influenced intelligence until about the age of 26.
Is head circumference related to intelligence?
Preliminary studies have suggested links between brain size, head size, and IQ, but head circumference isn’t directly correlated with intellect.
When should I worry about my head circumference?
The medical term for a large head is “macrocephaly.” Most of the time, it isn’t a serious condition, so parents don’t need to worry about it. In rare cases, however, it can be an indication that your baby has other health conditions.
What is the normal percentile for head circumference?
Data Table of Infant Head Circumference-for-age Charts
|Age (in months)||3rd Percentile Head Circumference (in centimeters)||50th Percentile Head Circumference (in centimeters)|
When is head circumference a concern?
Measurement of the head circumference is a routine yet critical part of newborn, infant, and toddler health supervision care. Abnormal head growth may indicate a medical or developmental problem and often leads practitioners to further evaluation. Normal head circumferences in term infants range from 32 to 38 cm.